The ARRL 160m Contest runs for 42 hours finishing at 1600UTC today, the 8th. This is a CW-only event in which you work the USA, US Territories and Canada only. The wording of the rules suggests that good frequencies to work on are 1830-1835kHz, but you are not limited to this 5kHz window. The exchange is signal report, and Ws and VEs also send their ARRL/RAC section.

Sunday 8th sees the 144MHz AFS take place from 1000 to 1600UTC. Using all modes the exchange is signal report, serial number and locator.

The 432MHz UK Activity Contest takes place on 10 December from 2000 to 2230UTC. Using all modes the exchange is signal report, serial number and locator.

The ARRL 10m Contest runs for 48 hours on 14 and 15 December. In this event everyone can work everyone. The exchange is signal report and serial number with Ws, VEs and XEs sending the State/Province code too.